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我厂是生产复杂拉削刀具的专业厂家,细长拉刀(直径<φ14mm,l>700mm,外圆精度0.005mm)所占的比例较大,拉刀精磨外圆工序的第一个工步就是磨削支承点。支承点磨削质量(圆度)决定拉刀制造的最终质量(圆度)。以往我们利用工件超低速、小进给量,多次长时间光磨的方法磨制。这样不仅效率低,而且也不能保证磨制的质量(圆度)。作者经过多年的实践
I plant is the production of complex broaching tool professional manufacturers, slender broach (diameter <φ14mm, l> 700mm, the outer precision of 0.005mm) a larger proportion of broaching precision grinding cylindrical process of the first workers Step is grinding support point. The bearing point grinding quality (roundness) determines the final quality (roundness) of the broach manufactured. In the past we use the workpiece ultra-low speed, small amount of feed, many times long grinding method of grinding. This is not only inefficient, but also does not guarantee the quality of grinding (roundness). The author after many years of practice